1. No I.Q:
* A computer is a machine that has no intelligence to perform any task.
* Each instruction has to be given to computer.
* A computer cannot take any decision on its own.
2. Dependency:
* It functions as per the user's instruction, thus it is fully dependent on humans.
3. Environment:
* The operating environment of the computer should be dust free and suitable.
4. No Feelings:
* Computers have no feelings or emotions.
* It cannot make judgement based on feeling, taste, experience and knowledge unlike humans.
